package com.wang.domain.strategy.model.entity;

import com.wang.types.common.Constants;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class StrategyRuleEntity {

    /** 抽奖策略id */
    private Long strategyId;
    /** 抽奖奖品id */
    private Integer awardId;
    /** 抽奖规则类型[1-策略类型、2-奖品类型] */
    private Integer ruleType;
    /** 抽奖规则类型[rule_lock] */
    private String ruleModel;
    /** 抽奖规则比值 */
    private String ruleValue;
    /** 抽奖规则描述 */
    private String ruleDesc;

    public Map<String, List<Integer>> getRuleWeightValues(){
        if (!"rule_weight".equals(ruleModel)) return null;
        String[] ruleValueGroups = ruleValue.split(Constants.SPACE);
        Map<String,List<Integer>> resultMap = new HashMap<>();
        for (String ruleValueGroup : ruleValueGroups){
            // 检查输入是否为空
            if (ruleValueGroup == null || ruleValueGroup.isEmpty()){
                return resultMap;
            }
            String[] parts = ruleValueGroup.split(Constants.COLON);
            if (parts.length != 2){
                throw new IllegalArgumentException("Invalid rule value format: " + ruleValueGroup);
            }
            String[] valueStrings = parts[1].split(Constants.SPLIT);
            List<Integer> values = new ArrayList<>();
            for (String valueString : valueStrings){
                values.add(Integer.parseInt(valueString));
            }
            resultMap.put(ruleValueGroup, values);
        }

        return resultMap;
    }
}
